1. M. S. Masoud, T. M. Salem and M. A. El-Henawy, in S. Mathias (Editor) proceedings of the XVII th International Conference on Coordination Chemistry. Sao Paulo, July 18, 1977, p. 26.
2. M. S. Masoud, A. M. Kaddah, A. M. Khalil and N. I. Tawfik, Indian J. Chem., 17A (1979) 297.
3. M. S. Masoud, M. M. Osman, T. M. Salem and E. A. Khalil, in P. Ray (Editor), Proceedings of the XXth International Conference on Coordination Chemistry, Calcutta, December 10, 1979, p. 52.
4. M. S. Masoud and F. El-Zawawy, Talanta, 27 (1980) 766.
5. M. S. Masoud, in I Bertini (Editor), Proceedings of the Vth International Symposium on Solute-Solute-Solvent Interactions. Florence, June 2, 1980.